171 void AnyChildHelper(bool *found, const NodePredicate &cb, AstNode *ast)  in AnyChildHelper()  argument
173     if (*found) {  in AnyChildHelper()
178         *found = true;  in AnyChildHelper()
182     ast->Iterate([=](AstNode *child) { AnyChildHelper(found, cb, child); });  in AnyChildHelper()
187     bool found = false;  in IsAnyChild()  local
188     Iterate([&found, cb](AstNode *child) { AnyChildHelper(&found, cb, child); });  in IsAnyChild()
189     return found;  in IsAnyChild()
192 void FindChildHelper(AstNode *&found, const NodePredicate &cb, AstNode *ast)  in FindChildHelper()  argument
194     if (found != nullptr) {  in FindChildHelper()
199         found = ast;  in FindChildHelper()
203     ast->Iterate([&found, cb](AstNode *child) { FindChildHelper(found, cb, child); });  in FindChildHelper()
208     AstNode *found = nullptr;  in FindChild()  local
209     Iterate([&found, cb](AstNode *child) { FindChildHelper(found, cb, child); });  in FindChild()
210     return found;  in FindChild()